Index Catalog // ScholarsArchive@OSU

Genesis of iron oxides in unsaturated porous media

Creator:: Grover, Deeksha
Abstract:: The kinetics of physical and chemical processes controlling the precipitation of iron oxide minerals in unsaturated media were investigated in this study. The characteristic morphology, mineralogy, and chemistry of iron oxides were also explored. Laboratory column experiments using fine and coarse grades of silica sand were conducted to compare the...
Resource Type:: Dissertation
Full Text:: Iron Oxides in Unsaturated Porous Media Abstract approved: John E. Baham Maria I. Dragila The

Physical processes that control droplet transport in rock fracture systems

Creator:: Hay, Katrina M.
Abstract:: Aquifer recharge is generally driven by fluids that move from the Earth’s surface to groundwater through the unsaturated zone, also known as the vadose zone. When the vadose zone is fractured, fluids, which may include contaminants, can move through the fracture network as well as the porous matrix. Such a...
Resource Type:: Dissertation
Full Text:: Control Droplet Transport in Rock Fracture Systems Abstract approved: Maria I. Dragila Aquifer recharge

Hydrological consequences of two native shrubs in semi-arid Senegal : patterns, processes, concepts and methods

Creator:: Kizito, Fred
Abstract:: Water availability is a critical limiting element in semi-arid ecosystem productivity and presents particular challenges in Sahelian countries such as Senegal. The landscapes are characterized by the presence of two common semi-arid shrubs (Piliostigma reticulatum and Guiera senegalensis), both of which may be important hydraulic regulators in these water-limited ecosystems....
Resource Type:: Dissertation
Full Text:: Abstract approved: Redacted for Privacy Maria Ines Dragila Water availability is a critical limiting

An analysis of Maria Montessori’s theory of normalization in light of emerging research in self-regulation

Creator:: Lloyd, Kathleen M.
Abstract:: The regulation of behavior is a major issue in early childhood development, with important implications for children’s adaptive and maladaptive developmental outcomes. Emerging research suggests that the degree of successful self-regulation depends upon the efficiency of the child’s attentional system and that the ability to focus and sustain attention supports...
Resource Type:: Dissertation
Full Text:: An Analysis of Maria Montessori’s Theory of Normalization

Approaches for Characterizing Plant Physiological Responses to Environmental Stress

Creator:: Marias, Danielle E.
Abstract:: It is uncertain how predicted changes in climate will impact vegetation responses and plant species’ distributions because the physiological mechanisms underlying thresholds for damage are not well understood, and responses to stress vary by functional type and developmental stage. Thus, it is crucial to investigate physiological responses to heat and...
Resource Type:: Dissertation
Full Text:: and mean percent electrolyte leakage values at 50°C assessed on the same individuals (N=5) on the

Movement of zoospores of Phytophthora citricola in saturated porous media

Creator:: Ochiai, Naoyuki
Abstract:: The genus Phytophthora comprises numerous plant pathogens in both natural and managed ecosystems. For Phytophthora spp. that infect roots, dispersal occurs in soil water through a combination of advection and swimming of specialized motile propagules (zoospores). Specific biological and physico-chemical processes, however, remain poorly understood, due to difficulties in studying...
Resource Type:: Dissertation
Full Text:: approved: Maria I. Dragila Jennifer L. Parke The genus Phytophthora comprises numerous plant

Dry weight and 15N-nitrogen and partitioning, growth, and development of young and mature blueberry plants

Creator:: Bañados, Maria Pilar
Abstract:: The effect of planting density and nitrogen (N) fertilization on growth, yield, and N partitioning in young and mature 'Bluecrop' blueberry plants was studied over a two year period. Depleted 15N-ammonium sulfate was applied at different rates and on different dates in a mature planting, and at different rates in...
Resource Type:: Dissertation

Interactive vs. non-interactive electronically delivered motivational materials for physical activity initiation and enhancement among adults with physical disabilities

Creator:: Kosma, Maria
Abstract:: Participation in physical activity has important health benefits among individuals with disabilities, whereas inactive lifestyles may lead to secondary limiting health conditions. However, few people with disabilities regularly participate in the recommended amount of health-related physical activities. Low rate of participation may be related to low motivation due to interconnected...
Resource Type:: Dissertation

Possible association of grain protein content, harvest index and biological yield in winter wheat populations

Creator:: Costa, Jose Maria
Abstract:: A negative relation between grain protein content and grain yield is frequently observed in wheat (Triticum aestivum L. em Thell) i.e. as grain yield increases, grain protein decreases. It has been suggested that the inverse relation between grain yield and protein is in part the result of developing high yielding...
Resource Type:: Dissertation
Full Text:: index and biological yield in winter wheat populations AN ABSTRACT OF THE THESIS OF Jose Maria Costa

The effects of 3-months of foot orthotic wear on measures of postural stability in persons with chronic injury and normal lower limb function

Creator:: Hornyik, Maria L.
Abstract:: Under researched somatosensory contributions to postural stability, in addition to high incident rates of foot injury in the physically active population, lead to two investigative studies. An initial research study compared variables of two postural stability assessment devices to determine reliability of outcome measures and commonality of outcome measures to...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Maria L. Hornyik for the

ScholarsArchive@OSU

Genesis of iron oxides in unsaturated porous media

Physical processes that control droplet transport in rock fracture systems

Hydrological consequences of two native shrubs in semi-arid Senegal : patterns, processes, concepts and methods

An analysis of Maria Montessori’s theory of normalization in light of emerging research in self-regulation

Approaches for Characterizing Plant Physiological Responses to Environmental Stress

Movement of zoospores of Phytophthora citricola in saturated porous media

Dry weight and 15N-nitrogen and partitioning, growth, and development of young and mature blueberry plants

Interactive vs. non-interactive electronically delivered motivational materials for physical activity initiation and enhancement among adults with physical disabilities

Possible association of grain protein content, harvest index and biological yield in winter wheat populations

The effects of 3-months of foot orthotic wear on measures of postural stability in persons with chronic injury and normal lower limb function

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